o2 sensor bank 2
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Mountain Pass
Joined: Feb 2008
Posts: 111
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From: Remsen,NY
o2 sensor bank 2
I tried to search but came up with a 1,000 threads an nothing to do with o2 sensors! Check end light came on. Took it to have computer read at auto store and it came up p0174 bank 2 eng running lean. my question is, is the bank 2 the passenger side o2 sensor? I believe i'm correct put want to make sure. the sensor they gave me is identical except wire harness is shorter but will still work. An just my luck I pull the old one out and it striped on the way out. I checked threads on exhaust pipe and there good, thank god. didnt want to go down that road. i still am going to try and get thread pitch and buy a tap if i can find one just to be on safe side. only 60,000 on her so i may be doing this again.
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Joined: Apr 2008
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From: Albemarle, NC
I tried to search but came up with a 1,000 threads an nothing to do with o2 sensors! Check end light came on. Took it to have computer read at auto store and it came up p0174 bank 2 eng running lean. my question is, is the bank 2 the passenger side o2 sensor? I believe i'm correct put want to make sure. the sensor they gave me is identical except wire harness is shorter but will still work. An just my luck I pull the old one out and it striped on the way out. I checked threads on exhaust pipe and there good, thank god. didnt want to go down that road. i still am going to try and get thread pitch and buy a tap if i can find one just to be on safe side. only 60,000 on her so i may be doing this again.
Nope 1234 on pass side 5678 on drivers so drivers is bank 2. And chances are an H02 sensor wont fix your problem. Its doing its job reporting a lean condition, you prolly have a vacuum leak somewhere or something else.
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Mountain Pass
Joined: Feb 2008
Posts: 111
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From: Remsen,NY
ok then can you tell me are the o2 sensors bank1 &2 the same because know i have to replace the pass one its stripped! I didnt put the new one in so i will exchange it tomorrow. any idea on a place to start for vacuum leak?
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Joined: Oct 2009
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Well for starters, depending on where the leak is, it can affect just one side. A bad O2 sensor will not typically cause a leak code. Bank #1 is the passenger side, bank #2 is the driver side. Look for vacuum leaks. A misfire can also set a lean code, especially if it is lean enough to cause the misfire. A bad MAF can also cause lean codes, as can a weak injector. There are so many possibilities here. All I can say for certain is that replacing the sensor will give you a known good sensor, but it is very unlikely that it will fix the problem. More involved real world diagnostics need to be done, otherwise you are going to throw a lot of parts at this and still not fix the problem.
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Mountain Pass
Joined: Feb 2008
Posts: 111
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From: Remsen,NY
well thanks to a local garage that let me borrow his tap for the o2 sensor i'm back to square one. well i know now what side bank 1&2 are and bank one has a freshly tapped hole an new o2 sensor. As my luck would have it in the middle of doing this my car blew a brake line and my jeep sprung a small leak in the radiator.so i'm going to fix the other 2 and get back to this in a few days.
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Mountain Pass
Joined: Feb 2008
Posts: 111
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From: Remsen,NY
ok since i was back to were i started with eng light on i decided to reset computer to see what it did. it stayed off when i started it. the one thing i did that day was it had just rained and there was alot of water on the roads. not sure if this might have tripped the light or why put i'll run it the next 3 days to work to see what it does.
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